Morphology Data of Akysis fuliginatus
Identification keys
Abnormalities
Main Ref. Ng, H.H. and W.J. Rainboth, 2005
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales
Diagnosis

Overall dark-colored body devoid of lighter-colored markings. Length of adipose-fin base 15.1-19.5% SL. Body depth at anus 14.1-16.6% SL. Caudal peduncle depth 10.1-10.5-% SL. Interorbital distance 41.7-45.5% HL. Lack of suborbital depression. Ventralmost extent of gill opening one-third distance from ventral midline of body to base of pectoral spine. Absence of serration on posterior edge of pectoral spine. Truncate caudal fin (Ref. 56231).

Description: Dorsal-fin rays II,4,i; anal-fin rays iii,5,ii, iii,6,i; pectoral-fin rays I,6; pelvic-fin rays i,5 (Ref. 56231).

Ease of Identification

Meristic characteristics of Akysis fuliginatus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels 8
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 6 - 6
Vertebrae
preanal
total 32 - 32

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total 2 - 2
Soft-rays total 5 - 5
Adipose fin present

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number
Spines total
Soft-rays total 10 - 10

Paired fins

Pectoral Attributes  
Spines     1
Soft-rays   6 - 6
Pelvics Attributes  
Position    abdominal  behind origin of D1
Spines     
Soft-rays   6 - 6
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